Physiological, Genetic, and Molecular Basis of Drought Responses

A special issue of International Journal of Plant Biology (ISSN 2037-0164).

Deadline for manuscript submissions: closed (30 July 2023) | Viewed by 3663

Special Issue Editors


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Guest Editor
Department of Integrative Biology, University of Texas, Austin, TX, USA
Interests: drought and ABA signaling; natural variation; cell and molecular biology

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Guest Editor
Institute of Genomics for Crop Abiotic Stress Tolerance, Texas Tech University, Lubbock, TX, USA
Interests: plant stress biology; plant–environment interaction; functional genomics; natural variation; GWAS
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Guest Editor
Department of Epigenetics and Molecular Carcinogenesis, University of Texas MD Anderson Cancer Center, Houston, TX, USA
Interests: epigenetic and genetic regulation in development and disease

Special Issue Information

Dear Colleagues,

The frequent occurrences of drought limit water availability and cause substantial losses in crop production worldwide. Thus, understanding the molecular and physiological basis for many water use and drought-related traits has great agricultural importance. As reference genomes become available for an increasing number of crops, the wealth of information can be harnessed to explain genetic factors involved in perception, signal transduction, and transcriptional regulation of drought responses. In addition, recent advances in omics approaches and cell and molecular biology techniques have expedited the characterization of molecules involved in drought resistance mechanisms.

With this Special Issue of the International Journal of Plant Biology, we encourage the submission of original research articles, commentaries, and review articles on the molecular and physiological basis of drought responses and tolerance mechanisms. We welcome articles that emphasize the approaches listed below but are not limited to:

  1. Genomics, transcriptomics, proteomics, and phonemics;
  2. Natural variation (GWAS and genetic mapping)’
  3. Cell and molecular biology.

The issue will also include the advancements (new methods/or techniques) in quantifying drought responses.

Dr. Bhaskara Govinal Badiger
Dr. Suhas Shinde
Dr. Ying-Jiun C. Chen
Guest Editors

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Plant Biology is an international peer-reviewed open access quarterly journal published by MDPI.

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Published Papers (1 paper)

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Review

15 pages, 1087 KiB  
Review
How Changes in ABA Accumulation and Signaling Influence Tomato Drought Responses and Reproductive Development
by Paolo Korwin Krukowski, Sara Colanero, Aldo Sutti, Damiano Martignago and Lucio Conti
Int. J. Plant Biol. 2023, 14(1), 162-176; https://doi.org/10.3390/ijpb14010014 - 21 Jan 2023
Cited by 4 | Viewed by 2873
Abstract
Water deficit conditions trigger the production of a chemical signal, the phytohormone abscisic acid (ABA), which coordinates multiple responses at different temporal and spatial scales. Despite the complexity of natural drought conditions, the modulation of ABA signaling could be harnessed to ameliorate the [...] Read more.
Water deficit conditions trigger the production of a chemical signal, the phytohormone abscisic acid (ABA), which coordinates multiple responses at different temporal and spatial scales. Despite the complexity of natural drought conditions, the modulation of ABA signaling could be harnessed to ameliorate the drought performances of crops in the face of increasingly challenging climate conditions. Based on recent studies, increasing ABA sensitivity can lead to genotypes with improved drought resistance traits, with sustained biomass production in water-limiting environments and little or no costs with respect to biomass production under optimal conditions. However, variations in ABA production and sensitivity lead to changes in various aspects of reproductive development, including flowering time. Here we provide an updated summary of the literature on ABA-related genes in tomato and discuss how their manipulation can impact water-deficit-related responses and/or other developmental traits. We suggest that a better understanding of specific ABA components’ function or their expression may offer novel tools to specifically engineer drought resistance without affecting developmental traits. Full article
(This article belongs to the Special Issue Physiological, Genetic, and Molecular Basis of Drought Responses)
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